View Compilation Error

0_0_4230246_6379.cpp:79: error: size of array `graph' is too large
0_0_4230246_6379.cpp: In function `int KMdfs(int)':
0_0_4230246_6379.cpp:87: error: `graph' undeclared (first use this function)
0_0_4230246_6379.cpp:87: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4230246_6379.cpp: In function `void slove(int)':
0_0_4230246_6379.cpp:119: error: `graph' undeclared (first use this function)